def goto_pose(self, name, T, timeout):
        self.server.setPose("move_arm_marker", convert_to_message(T))
        self.server.applyChanges()
        self.pub_command.publish(convert_to_trans_message(T))
        print 'Goal published'        
        start_time = time.time()
        done = False
        while not done and not rospy.is_shutdown():

            self.mutex.acquire()
            last_joint_state = deepcopy(self.joint_state)
            self.mutex.release()
            if not self.check_validity(last_joint_state):
                print 'COLLISION!'

            try:
                (trans,rot) = self.listener.lookupTransform('world_link','lwr_arm_7_link',
                                                            rospy.Time(0))
            except (tf.LookupException, tf.ConnectivityException, tf.ExtrapolationException):
                print "TF Exception!"
                continue

            TR = numpy.dot(tf.transformations.translation_matrix(trans), 
                           tf.transformations.quaternion_matrix(rot))
            
            if (is_same(T, TR)): 
                print name + ": Reached goal"
                done = True

            if (time.time() - start_time > timeout) :
                done = True
                print name + ": Robot took too long to reach goal. Grader timed out"
            else:
                rospy.sleep(0.05)
Esempio n. 2
0
    def init_marker(self):

        self.server = InteractiveMarkerServer("control_markers")

        control_marker = InteractiveMarker()
        control_marker.header.frame_id = self.robot.get_root()
        control_marker.name = "move_arm_marker"

        move_control = InteractiveMarkerControl()
        move_control.name = "move_x"
        move_control.orientation.w = 1
        move_control.orientation.x = 1
        move_control.interaction_mode = InteractiveMarkerControl.MOVE_AXIS
        control_marker.controls.append(move_control)
        move_control = InteractiveMarkerControl()
        move_control.name = "move_y"
        move_control.orientation.w = 1
        move_control.orientation.y = 1
        move_control.interaction_mode = InteractiveMarkerControl.MOVE_AXIS
        control_marker.controls.append(move_control)
        move_control = InteractiveMarkerControl()
        move_control.name = "move_z"
        move_control.orientation.w = 1
        move_control.orientation.z = 1
        move_control.interaction_mode = InteractiveMarkerControl.MOVE_AXIS
        control_marker.controls.append(move_control)

        move_control = InteractiveMarkerControl()
        move_control.name = "rotate_x"
        move_control.orientation.w = 1
        move_control.orientation.x = 1
        move_control.interaction_mode = InteractiveMarkerControl.ROTATE_AXIS
        control_marker.controls.append(move_control)
        move_control = InteractiveMarkerControl()
        move_control.name = "rotate_y"
        move_control.orientation.w = 1
        move_control.orientation.z = 1
        move_control.interaction_mode = InteractiveMarkerControl.ROTATE_AXIS
        control_marker.controls.append(move_control)
        move_control = InteractiveMarkerControl()
        move_control.name = "rotate_z"
        move_control.orientation.w = 1
        move_control.orientation.y = 1
        move_control.interaction_mode = InteractiveMarkerControl.ROTATE_AXIS
        control_marker.controls.append(move_control)

        menu_control = InteractiveMarkerControl()
        menu_control.interaction_mode = InteractiveMarkerControl.BUTTON
        menu_control.always_visible = True
        box = Marker()
        box.type = Marker.CUBE
        box.scale.x = 0.15
        box.scale.y = 0.03
        box.scale.z = 0.03
        box.color.r = 0.5
        box.color.g = 0.5
        box.color.b = 0.5
        box.color.a = 1.0
        menu_control.markers.append(box)
        box2 = deepcopy(box)
        box2.scale.x = 0.03
        box2.scale.z = 0.1
        box2.pose.position.z = 0.05
        menu_control.markers.append(box2)
        control_marker.controls.append(menu_control)

        control_marker.scale = 0.25
        self.server.insert(control_marker, self.control_marker_feedback)

        self.menu_handler = MenuHandler()
        self.menu_handler.insert("Move Arm", callback=self.move_arm_cb)
        obs_entry = self.menu_handler.insert("Obstacles")
        self.menu_handler.insert("No Obstacle",
                                 callback=self.no_obs_cb,
                                 parent=obs_entry)
        self.menu_handler.insert("Simple Obstacle",
                                 callback=self.simple_obs_cb,
                                 parent=obs_entry)
        self.menu_handler.insert("Hard Obstacle",
                                 callback=self.complex_obs_cb,
                                 parent=obs_entry)
        self.menu_handler.insert("Super-hard Obstacle",
                                 callback=self.super_obs_cb,
                                 parent=obs_entry)
        self.menu_handler.apply(
            self.server,
            "move_arm_marker",
        )

        self.server.applyChanges()

        Ttrans = tf.transformations.translation_matrix((0.6, 0.2, 0.5))
        Rtrans = tf.transformations.rotation_matrix(1.57, (0, 1, 0))
        self.server.setPose("move_arm_marker",
                            convert_to_message(numpy.dot(Ttrans, Rtrans)))
        self.server.applyChanges()